Alert archive / Kansas / Flash Flood Warnings in 1993

Flash Flood Warning 20, NWS Topeka, KS

July 2, 1993Lyon County, Kansas

NWS Topeka, KS issued this flash flood warning at Jul 2, 1993, 9:02 PM CDT for Lyon County, Kansas. It was in force for 118 min.

The area

The counties it named.

The facts

Issued
Jul 2, 1993, 9:02 PM CDT (02:02 UTC)
Expired
Jul 2, 1993, 11:00 PM CDT
In force
118 min
Issued by
NWS Topeka, KS
Area
Whole counties

County Lyon County, KS

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.0 hours before the alert went out and 75 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 1993-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 579 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 1993-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
579 J/kg
Mixed-layer CIN
-226 J/kg
Mixed-layer LCL
1378 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 2, 6:57 PM CDT, 2 hours 5 minutes before
KSZ013-014-015-016-030100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
657 PM CDT FRI JUL 2 1993

...A TORNADO WARNING REMAINS IN EFFECT FOR LYON COUNTY UNTIL
715 PM CDT...

AT 655 \PM CDT...RADAR WAS CONTINUING TO INDICATE A POSSIBLE
TORNADO TO THE WEST OF EMPORIA JUST TO THE NORTH OF PLYMOUTH.
PEOPLE IN PLYMOUTH...AMERICUS AND EMPORIA SHOULD BE IN ASTORM
SHELTER AT THIS TIME!

BILLS
Special weather statement, Jul 2, 7:41 PM CDT, 1 hour 21 minutes before
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Special weather statement, Jul 2, 7:41 PM CDT, 1 hour 21 minutes before
<!doctype html>
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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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Special weather statement, Jul 2, 7:46 PM CDT, 1 hour 16 minutes before
KSZ013-014-015-016-030145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
747 PM CDT FRI JUL 2 1993

...THE TORNADO WARNING FOR SOUTHERN LYON COUNTY AND THE CITY
OF EMPORIA HAS BEEN ALLOWED TO EXPIRE...

AT 745 PM...RADAR CONTINUED TO SHOW STRONG THUNDERSTORMS EXTENDING
FROM 20 MILES WEST OF EMPORIA NEAR COTTONWOOD FALLS TO EMPORIA...
TO 15 MILES EAST OF EMPORIA NEAR LEBO.

NO TORNADOES HAVE BEEN CONFIRMED WITH THE STORMS IN LYON COUNTY.
CONSEQUENTLY...THE WARNING HAS BEEN ALLOWED TO EXPIRE.

VERY HEAVY RAINS...SOME HAIL AND GUSTY WINDS TO 50 MPH ARE STILL
LIKELY WITH THESE STORMS AS THEY MOVE ONLY ABOUT 5 MPH TO THE
SOUTH.

BILLS
Special weather statement, Jul 2, 8:40 PM CDT, 22 minutes before
KSZ007-008-010-011-030230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CONCORDIA KS
840 PM CDT FRI JUL 2 1993

...TORNADO WATCH FOR PORTIONS OF CENTRAL NORTHCENTRAL KANSAS THROUGH 11 PM
   CDT FOR THE FOLLOWING COUNTIES...BARTON...LINCOLN...DICKINSON...RUSSELL...
   MCPHERSON...SALINE...ELLSWORTH...RICE...CLAY...CLOUD...OTTAWA...MITCHELL...
   AND OSBORNE...

...FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT FOR ALL OF CENTRAL AND NORTH
   CENTRAL KANSAS...

AT 840 PM CDT RADAR SHOWED A STRONG THUNDERSTORM 35 MILES NORTHEAST OF
CONCORDIA OR 10 MILES NORTH OF WASHINGTON.  TORRENTIAL RAINS...HAIL AND
GUSTY WINDS CAN BE EXPECTED WITH THIS STORM.  OTHER NEWLY DEVELOPED
THUNDERSTORMS WERE LOCATED IN A 15 MILE WIDE BAND TO THE NORTH AND EAST OF A
LINE FROM 30 MILES SOUTH OF CONCORDIA NEAR BENNINGTON TO 45 MILES WEST OF
CONCORDIA NEAR OSBORNE.  BRIEF HEAVY RAINS AND DEADLY LIGHTNING CAN BE
EXPECTED FROM THIS AREA OF STORMS. ALL THUNDERSTORMS WERE MOVING TO THE
NORTHEAST AT 15 MPH.

CONDITINS REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS...
SOME OF WHICH COULD DEVELOP VERY QUICKLY.  LISTEN TO NOAA WEATHER RADIO
OR YOUR FAVORITE MEDIA SOURCE FOR LATER STATMENTS AND POSSIBLE WARNINGS.

PACKETT

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Special weather statement, Jul 2, 8:41 PM CDT, 21 minutes before
KSZ007-008-010-011-030230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CONCORDIA KS
840 PM CDT FRI JUL 2 1993

...TORNADO WATCH FOR PORTIONS OF CENTRAL NORTHCENTRAL KANSAS THROUGH 11 PM
   CDT FOR THE FOLLOWING COUNTIES...BARTON...LINCOLN...DICKINSON...RUSSELL...
   MCPHERSON...SALINE...ELLSWORTH...RICE...CLAY...CLOUD...OTTAWA...MITCHELL...
   AND OSBORNE...

...FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT FOR ALL OF CENTRAL AND NORTH
   CENTRAL KANSAS...

AT 840 PM CDT RADAR SHOWED A STRONG THUNDERSTORM 35 MILES NORTHEAST OF
CONCORDIA OR 10 MILES NORTH OF WASHINGTON.  TORRENTIAL RAINS...HAIL AND
GUSTY WINDS CAN BE EXPECTED WITH THIS STORM.  OTHER NEWLY DEVELOPED
THUNDERSTORMS WERE LOCATED IN A 15 MILE WIDE BAND TO THE NORTH AND EAST OF A
LINE FROM 30 MILES SOUTH OF CONCORDIA NEAR BENNINGTON TO 45 MILES WEST OF
CONCORDIA NEAR OSBORNE.  BRIEF HEAVY RAINS AND DEADLY LIGHTNING CAN BE
EXPECTED FROM THIS AREA OF STORMS. ALL THUNDERSTORMS WERE MOVING TO THE
NORTHEAST AT 15 MPH.

CONDITINS REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS...
SOME OF WHICH COULD DEVELOP VERY QUICKLY.  LISTEN TO NOAA WEATHER RADIO
OR YOUR FAVORITE MEDIA SOURCE FOR LATER STATMENTS AND ~POSSIBLE WARNINGS.

PACKETT

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 2, 7:14 PM CDTTornado WarningTOPLyon31 min
Jul 2, 8:31 PM CDTSevere Thunderstorm WarningTOPLyon44 min
Jul 2, 9:39 PM CDTSevere Thunderstorm WarningTOPPottawatomie48 min
Jul 2, 9:39 PM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha66 min

Nearby

Flash Flood Warnings in Kansas, 1993Every flash flood warning in 1993

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.